File:Patent-FR-799290.pdf

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Inventor	Robert Jean Jacques Hallauer
Assignee	Robert Jean Jacques Hallauer
Country	FR
Application N°	799290
Application Date	1935-12-13
Patent N°	799290
Brevettato	1936-06-10
Priorità	1935-12-13
Brand	Edacoto
Title	Perfectionnements aux porte-mines à mines interchangeables
Description	Matita meccanica

Brevetto per una matita meccanica. Assegnato alla Edacoto per comprovata relazione dell'inventore con la ditta.

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current	22:42, 5 April 2021		1,296 × 1,754, 4 pages (226 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Robert Jean Jacques Hallauer \|Assignee=Robert Jean Jacques Hallauer \|Country=FR \|ApplicationNum=799290 \|ApplicationDate=1935-12-13 \|PatentNum=799290 \|PatentDate=1936-06-10 \|PriorityDate=1935-12-13 \|Titolo=Perfectionnements aux po...

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